SIEMENS PLC MODULES 6ES7321-1BL00-0AA0

About SIEMENS PLC MODULES 6ES7321-1BL00-0AA0

The Siemens PLC Modules 6ES7321-1BL00-0AA0 are designed for industrial usage, offering reliable performance in various applications. With a sleek grey color, these electric-powered modules come with a 1-year warranty. The brand new condition ensures top-notch quality and durability, making them ideal for exporters, manufacturers, suppliers, and traders in the industry.

Siemens SIMATIC S7-300 Digital Input SM 321, Isolated 32 DI, 24 V DC (6ES7321-1BL00-0AA0)

The SIMATIC S7-300 Digital Input SM 321 module provides 32 isolated digital input channels for interfacing with field devices in industrial automation applications.

Supply Voltage:

• Load voltage L+:

  • Rated value (DC): 24 V

  • Permissible range, lower limit (DC): 20.4 V

  • Permissible range, upper limit (DC): 28.8 V

Input Current:

• From backplane bus 5 V DC, max. 15 mA

Power Loss:

• Typ. 6.5 W

Digital Inputs:

• Number of digital inputs: 32

• Input characteristic curve in accordance with IEC 61131, type 1: Yes

• Number of simultaneously controllable inputs:

  • Horizontal installation: up to 40 °C, max. 32; up to 60 °C, max. 16

  • Vertical installation: up to 40 °C, max. 32

• Type of input voltage: DC

• Rated value (DC): 24 V

• Signal "0": -30 to +5 V

• Signal "1": 13 to 30 V

• Input current for signal "1", typ.: 7 mA

Input Delay (for rated value of input voltage):

• Standard inputs: Parameterizable: No

• "0" to "1", min.: 1.2 ms

• "0" to "1", max.: 4.8 ms

• "1" to "0", min.: 1.2 ms

• "1" to "0", max.: 4.8 ms

Cable Length:

• Shielded, max.: 1,000 m

• Unshielded, max.: 600 m

Encoder:

• Connectable encoders: 2-wire sensor: Yes

• Permissible quiescent current (2-wire sensor), max.: 1.5 mA

Interrupts/Diagnostics/Status Information:

• Alarms: No

• Diagnostics function: No

• Diagnostic alarm: No

• Hardware interrupt: No

• Diagnostics indication LED: Status indicator digital input (green): Yes

Potential Separation:

• Between the channels: No

• Between the channels, in groups of 16

• Between the channels and backplane bus: Yes; Optocoupler

Isolation:

• Isolation tested with 500 V DC

Connection Method:

• Required front connector: 40-pin

Dimensions:

• Width: 40 mm

• Height: 125 mm

• Depth: 120 mm

Weight:

• Approx. 260 g 

Technical Details